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D17 rear seal

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=174342
Printed Date: 17 Oct 2025 at 2:57am
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Topic: D17 rear seal
Posted By: Doobletango
Subject: D17 rear seal
Date Posted: 12 Sep 2020 at 4:20pm
I’m replacing the real seal in the gas engine amongst some other engine work. The one I took out off the engine was rubber but the one that came in my gasket set was felt. Does it matter what it’s made out of?
Also, is it critical that I don’t cut the felt seal to length after getting it packed into the lower half. I did and the manual said not to. I just assumed the supplier cut a length longer than necessary...



Replies:
Posted By: DrAllis
Date Posted: 12 Sep 2020 at 4:42pm
You'd be wrong. Cutting it shorter will make it LEAK. Not gluing it in each groove will make it LEAK.


Posted By: Doobletango
Date Posted: 12 Sep 2020 at 5:02pm
Ok. Thanks. Guess I need to read the instructions ahead of time...


Posted By: Doobletango
Date Posted: 12 Sep 2020 at 5:08pm
Does it matter what I glue it in with? I have black silicone in my shop.


Posted By: DrAllis
Date Posted: 12 Sep 2020 at 6:44pm
I've always used 3M-8001 yellow weather strip adhesive. RTV would not be my choice.


Posted By: Doobletango
Date Posted: 12 Sep 2020 at 7:28pm
I’ll grab some of that this week. Thanks for all the input!



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